Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Increase its smoke point Reduce gum formation Increase its octane number Reduce the pour point Increase its smoke point Reduce gum formation Increase its octane number Reduce the pour point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process. 200-300 1000-10000 100 10 200-300 1000-10000 100 10 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the lowest flash point of all? Petrol Furnace oil Kerosene Diesel Petrol Furnace oil Kerosene Diesel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Reforming Improves the quality & yield of gasoline Does not much affect the molecular weight of the feed All of these Uses naphtha as feedstock Improves the quality & yield of gasoline Does not much affect the molecular weight of the feed All of these Uses naphtha as feedstock ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of gasoline produced by isomerisation of butane may be about 45 70 90 55 45 70 90 55 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition ANSWER DOWNLOAD EXAMIANS APP
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